Malware Analysis Report

2025-01-18 09:29

Sample ID 240325-v793dshb4v
Target returnready.dll.exe
SHA256 e6991b12e86629b38e178fef129dfda1d454391ffbb236703f8c026d6d55b9a1
Tags
strela stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

e6991b12e86629b38e178fef129dfda1d454391ffbb236703f8c026d6d55b9a1

Threat Level: Known bad

The file returnready.dll.exe was found to be: Known bad.

Malicious Activity Summary

strela stealer

Strela

Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-25 17:39

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-25 17:39

Reported

2024-03-25 17:41

Platform

win7-20240319-en

Max time kernel

117s

Max time network

120s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\returnready.dll,#1

Signatures

Strela

stealer strela

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\returnready.dll,#1

Network

N/A

Files

memory/2964-0-0x000007FEF7090000-0x000007FEF70D7000-memory.dmp

memory/2964-1-0x0000000000180000-0x00000000001A3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-25 17:39

Reported

2024-03-25 17:41

Platform

win10v2004-20240226-en

Max time kernel

147s

Max time network

154s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\returnready.dll,#1

Signatures

Strela

stealer strela

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\returnready.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 185.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 195.177.78.104.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 186.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 50.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 178.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 202.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 208.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 15.173.189.20.in-addr.arpa udp

Files

memory/3944-0-0x000001DA11460000-0x000001DA11483000-memory.dmp

memory/3944-1-0x00007FF812F60000-0x00007FF812FA7000-memory.dmp